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By Marcia Dunn, The Associated Press May 31, 2017 5:56 PM
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In this Sept. 23, 2014 photo made available by NASA, the SpaceX Dragon commercial cargo craft approaches the International Space Station. On a June 2017 supply run to the station, SpaceX will use this capsule. The milestone comes just two months after the launch of its first reused rocket booster. (NASA via AP)
CAPE CANAVERAL, Fla. в─" SpaceX is taking recycling to a whole new realm в─" all the way to orbit.

By Jesse Emspak, Space.com Contributor | May 31, 2017 04:15pm ET
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Credit: agsandrew/Shutterstock.com
A new study may help reveal the nature of dark energy, the mysterious substance that is pushing the universe to expand outward. Dark energy may emerge from fluctuations in the nothingness of empty space, a new hypothesis suggests.

By Kacey Deamer, Live Science Staff Writer | May 31, 2017 04:10pm ET
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Times Square will also act as a hub for the festival's events this year, with a program of free activities called "Science in the Square" that will bring science topics to a broad general audience. Credit: World Science Festival
This week, scientists, thinkers, artists and others will convene in New York City for the 10th annual World Science Festival, but even if you can't make it to the Big Apple, you can catch some of the action live online.

By Tariq Malik, Space.com Managing Editor | May 31, 2017 07:40pm ET
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Billionaire Paul Allen's private spaceflight company Stratolaunch has just unveiled the world's biggest airplane: a massive carrier plane with a wingspan longer than an entire football field.
The colossal Stratolaunch carrier plane rolled out of its hangar at the Mojave Air and Space Port in Mojave, California, today (May 31) to undergo
fueling tests. It's the first public look at the full craft -which is designed to launch rockets into orbit from the sky - since construction began.

By Mike Wall, Space.com Senior Writer | May 31, 2017 03:29pm ET
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SpaceX founder and CEO Elon Musk, left, attending a Jan. 23 meeting with President Donald Trump. Credit: White House
SpaceX founder and CEO Elon Musk said today (May 31) that he'll resign from the White House advisory councils on which he currently serves if President Donald Trump pulls the United States out of the Paris climate pact.

Genelle Weule
It's been on NASA's bucket list for 60 years, and now the ambitious mission to touch the Sun is in its final phase before launch.
The Parker Solar Probe will get closer to the Sun than any spacecraft in history. (Credit: ABC licensed)
We've been to the Moon, landed spacecraft on Mars and had close encounters with other planets в─" and Pluto. Next stop, the Sun.

A "FORMER pilot" for John F Kennedy has been filmed saying the assassinated president had seen government evidence of aliens and UFOs.
By Jon Austin Jon Austin
The man, who features in new documentary 'Unacknowledged' is seen speaking to camera about a conversation with the president.
He described the pair discussing a newspaper article that mentioned UFOs.
The man, who is not named in the clip from the documentary, says the
president asked him what he thought, so he threw the question back at JFK.
He said: "JFK responded, 'well I asked you first'."

By Hanneke Weitering, Staff Writer-Producer | May 31, 2017 11:19am ET
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Image data from NASA's Cassini spacecraft shows evidence that Saturn's moon Enceladus may have tipped over, reorienting itself so that terrain closer to its original equator was relocated to the poles. This phenomenon is called "true polar wander." Credit: NASA/JPL-Caltech/Space Science Institute/Cornell University
Enceladus, an icy moon of Saturn that could host life, may have tipped over long ago.

NASA is poised to hold a press conference where it will announce a groundbreaking mission to send a probe to the sun and you can watch it live.
By Sean Martin
The space agency will broadcast a live stream of the major announcement, which you can watch live on Express.co.uk, courtesy of NASA TV from 4PM BST (10am CDT).
NASA hopes to get a probe as close as possible to the sun where it will battle extreme temperatures and radiation.